I bought an A2000, rev 4.5 MoBo.
This computer has a 2 position toggle switch wired
between jumpers J302 and J500. The J302 is a 3 post
jumper and J500 is a 2 post. There are 3 wires going
to the J302 and 2 wires going to the J500.
Anyone have any idea what this switch is supposed to do ?